Vascular Structures and Pathologies Quiz

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What is the main pathological process associated with the development of arterial atheroma formation?

Fibrin mesh formation

Platelet adhesion (correct)

Inappropriate activation of hemostatic mechanisms

Thrombus formation

Which phase of atherosclerosis is characterized by individuals being typically middle-aged to elderly and experiencing symptomatic complications such as aneurysm and occlusion by thrombus?

Clinical Phase (correct)

Advanced/vulnerable phase

Pre-clinical Phase

Fibrofatty phase

What is the primary influence on thrombus formation according to Virchow's triad?

Fibrin mesh formation

Normal physiological processes

Abnormal vascular structure (correct)

Inappropriate activation of hemostatic mechanisms

In the clinical phase of atherosclerosis, what is a common complication that may result from atherosclerotic aneurysms larger than 5cm?

Rupture Signup and view all the answers

How is hemostasis defined in the context provided?

Maintenance of blood in a clot-free state Signup and view all the answers

What is the primary process involved in maintaining blood in a fluid, clot-free state in normal vessels?

Platelet adhesion Signup and view all the answers

What is the likely fate of a thrombus in a coronary artery?

Dissolution through fibrinolysis Signup and view all the answers

What is a common cause of deep venous thrombosis?

Advanced age and immobilization Signup and view all the answers

What is a possible source of emboli in the context of thrombi?

Vegetations Signup and view all the answers

What is a common complication of superficial thrombi in varicose saphenous veins?

Local edema and varicose ulcers Signup and view all the answers

What is a major cause of arterial thrombosis?

Atherosclerosis Signup and view all the answers

What is the term for the formation of multiple small lumens in a previously occluded coronary artery?

Recanalization Signup and view all the answers

What is the result of Atheroma or lipid accumulation in the intima of large and small arteries?

A sudden and serious chronic disease Signup and view all the answers

Which type of arteriosclerosis is characterized by the buildup of cholesterol plaques?

Atherosclerosis Signup and view all the answers

What is the outcome of chronic inflammation and lipid accumulation in the arteries?

A hardened and thickened artery wall Signup and view all the answers

What is the primary location affected by Hyaline arteriolosclerosis?

Arterioles Signup and view all the answers

What is the characteristic of Atherosclerosis?

Gradual onset with sudden complications Signup and view all the answers

What is the outcome of Monckeberg's medial calcific sclerosis?

Calcification of the medial layer of the artery Signup and view all the answers

What factors increase the risk of thrombus formation?

Old age, family history, and hypertension Signup and view all the answers

Which of the following is NOT a type of atherosclerotic plaque?

Simple plaques Signup and view all the answers

Which of the following is NOT a consequence of complicated plaques?

Increased blood flow Signup and view all the answers

What part of the vessel wall does atherosclerosis initially affect?

Intima Signup and view all the answers

Which of the following is NOT a component of a fatty streak?

Fibrous tissue Signup and view all the answers

What is the general consensus regarding the etiology of atherosclerosis?

Most theories suggest endothelial and media damage Signup and view all the answers

What is a thrombus?

A mass formed from the blood constituents within a vessel or the heart during life. Signup and view all the answers

What is the dull red color on the myocardium consistent with?

Underlying myocardial infarction. Signup and view all the answers

What type of thrombosis is occlusive coronary atherosclerosis?

A thrombosis of a coronary artery. Signup and view all the answers

What significantly narrows the coronary artery mentioned in the text?

Yellow tan plaques of atheroma. Signup and view all the answers

What completely occludes the coronary mentioned in the text?

Red thrombus. Signup and view all the answers

What is the significance of the opened left anterior descending coronary artery?

It demonstrates an opened left anterior descending coronary artery. Signup and view all the answers